DE69932271D1 - Method and device for calibrating digital frequency converters in a signal processing system - Google Patents

Method and device for calibrating digital frequency converters in a signal processing system

Info

Publication number
DE69932271D1
DE69932271D1 DE69932271T DE69932271T DE69932271D1 DE 69932271 D1 DE69932271 D1 DE 69932271D1 DE 69932271 T DE69932271 T DE 69932271T DE 69932271 T DE69932271 T DE 69932271T DE 69932271 D1 DE69932271 D1 DE 69932271D1
Authority
DE
Germany
Prior art keywords
signal processing
processing system
digital frequency
frequency converters
calibrating digital
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69932271T
Other languages
German (de)
Other versions
DE69932271T2 (en
Inventor
James D Green
Eugene L Ferraro
Lawrence J Hershman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northrop Grumman Guidance and Electronics Co Inc
Original Assignee
Litton Systems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Litton Systems Inc filed Critical Litton Systems Inc
Publication of DE69932271D1 publication Critical patent/DE69932271D1/en
Application granted granted Critical
Publication of DE69932271T2 publication Critical patent/DE69932271T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/82—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves with means for adjusting phase or compensating for time-lag errors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Analogue/Digital Conversion (AREA)
  • Radio Transmission System (AREA)
DE69932271T 1998-02-10 1999-02-10 Method and device for calibrating digital frequency converters in a signal processing system Expired - Fee Related DE69932271T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21557 1979-03-19
US09/021,557 US6134281A (en) 1998-02-10 1998-02-10 Method and apparatus for calibration of a signal processing system utilizing digital down converters

Publications (2)

Publication Number Publication Date
DE69932271D1 true DE69932271D1 (en) 2006-08-24
DE69932271T2 DE69932271T2 (en) 2006-11-30

Family

ID=21804891

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69932271T Expired - Fee Related DE69932271T2 (en) 1998-02-10 1999-02-10 Method and device for calibrating digital frequency converters in a signal processing system

Country Status (9)

Country Link
US (1) US6134281A (en)
EP (1) EP0936764B1 (en)
JP (1) JP4287529B2 (en)
KR (1) KR19990072552A (en)
AU (1) AU746552B2 (en)
CA (1) CA2259671A1 (en)
DE (1) DE69932271T2 (en)
IL (1) IL128452A (en)
NO (1) NO990610L (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6744826B2 (en) * 1999-03-03 2004-06-01 Intel Corporation AGC window detector
US6314811B1 (en) 2000-01-24 2001-11-13 Litton Systems Inc. Acoustic sensor module design and fabrication process
DE60128099T2 (en) * 2000-07-24 2008-01-03 Litton Systems, Inc., Woodland Hills ALGORITHM FOR SELECTING A DETECTION MASK WITH POLARIZATION DIVERSITY
CA2420169A1 (en) * 2000-07-28 2003-02-27 William Christopher Knaack Multi-channel optical receiver for processing tri-cell polarization diversity detector outputs
US20030165203A1 (en) * 2001-08-10 2003-09-04 Rishi Mohindra Quadrature gain and phase imbalance correction in a receiver
US7346313B2 (en) 2002-03-04 2008-03-18 Cafarella John H Calibration of I-Q balance in transceivers
KR100554922B1 (en) * 2002-10-18 2006-03-10 엘지전자 주식회사 Multipath searching device and method based on multi-beam beamforming
US7012245B2 (en) * 2003-07-09 2006-03-14 Northrop Grumman Corporation Calculation of sensor array induced phase angle
US7038785B2 (en) * 2003-07-09 2006-05-02 Northrop Grumman Corporation Filtered calculation of sensor array induced phase angle independent from demodulation phase offset of phase generated carrier
US8387037B2 (en) * 2005-01-28 2013-02-26 Ca, Inc. Updating software images associated with a distributed computing system
US8089394B2 (en) 2009-11-02 2012-01-03 Invention Planet, LLC Continuous-wave field disturbance sensing system
US8223067B2 (en) * 2009-11-02 2012-07-17 Invention Planet, LLC Noise-canceling down-converting detector
WO2011053941A2 (en) * 2009-11-02 2011-05-05 Invention Planet, LLC Detector system
US8085185B2 (en) 2009-11-02 2011-12-27 Invention Planet, LLC Method of down converting high-frequency signals
CN110514355B (en) * 2019-02-12 2021-04-09 石家庄铁道大学 Calibration device and calibration method for pressure sensor in lubricating oil chamber of aviation aircraft

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5493581A (en) * 1992-08-14 1996-02-20 Harris Corporation Digital down converter and method
US5448058A (en) * 1993-04-27 1995-09-05 Litton Systems, Inc. Optical signal detection apparatus and method for preventing polarization signal fading in optical fiber interferometric sensor systems
US5659412A (en) * 1994-12-06 1997-08-19 Lucent Technologies Inc. Polarization diversity detection of optical signals transmitted through a polarization-mode dispersive medium
US5881376A (en) * 1995-12-15 1999-03-09 Telefonaktiebolaget Lm Ericsson Digital calibration of a transceiver
US5982819A (en) * 1996-09-23 1999-11-09 Motorola, Inc. Modulation format adaptive messaging receiver and method thereof
US5959294A (en) * 1998-02-10 1999-09-28 Litton Systems, Inc. Method and apparatus for interrogation of fiber optic interferometric sensors in multi-channel applications

Also Published As

Publication number Publication date
JP2000028702A (en) 2000-01-28
CA2259671A1 (en) 1999-08-10
AU1636599A (en) 1999-08-26
NO990610L (en) 1999-08-11
KR19990072552A (en) 1999-09-27
EP0936764B1 (en) 2006-07-12
IL128452A0 (en) 2000-01-31
EP0936764A2 (en) 1999-08-18
NO990610D0 (en) 1999-02-09
JP4287529B2 (en) 2009-07-01
AU746552B2 (en) 2002-05-02
US6134281A (en) 2000-10-17
EP0936764A3 (en) 2001-05-23
DE69932271T2 (en) 2006-11-30
IL128452A (en) 2003-01-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee